Features of power resistor&colon;1&period; Copper wire or chrominum alloy wire is wound on the ceramic tube coated with non-flammable resin&comma;good dissipation &comma;high stability&comma; and long life&period;2&period;high power rating&comma;high overload&period;3&period;The DDR series own higher resistance value than the DQR series&period;4&period;Widely used in power supply&comma;transducer&comma; elevator&comma;arena audio and Lifting&comma;Braking&comma;Ship &comma;Load equipment&comma; high requirement equipment industry&comma;ect&period;5&period;For customer specifications&comma;can be made into variable resistor&period;